3947840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1$

素因数の和:116

約数の個数: 84

約数和(自身を含む): 10319004

約数和(自身を除く): 6371164

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 130, 146, 160, 169, 208, 260, 292, 320, 338, 365, 416, 520, 584, 676, 730, 832, 845, 949, 1040, 1168, 1352, 1460, 1690, 1898, 2080, 2336, 2704, 2920, 3380, 3796, 4160, 4672, 4745, 5408, 5840, 6760, 7592, 9490, 10816, 11680, 12337, 13520, 15184, 18980, 23360, 24674, 27040, 30368, 37960, 49348, 54080, 60736, 61685, 75920, 98696, 123370, 151840, 197392, 246740, 303680, 394784, 493480, 789568, 986960, 1973920, 3947840]

約数ペア:

[(1, 3947840), (2, 1973920), (4, 986960), (5, 789568), (8, 493480), (10, 394784), (13, 303680), (16, 246740), (20, 197392), (26, 151840), (32, 123370), (40, 98696), (52, 75920), (64, 61685), (65, 60736), (73, 54080), (80, 49348), (104, 37960), (130, 30368), (146, 27040), (160, 24674), (169, 23360), (208, 18980), (260, 15184), (292, 13520), (320, 12337), (338, 11680), (365, 10816), (416, 9490), (520, 7592), (584, 6760), (676, 5840), (730, 5408), (832, 4745), (845, 4672), (949, 4160), (1040, 3796), (1168, 3380), (1352, 2920), (1460, 2704), (1690, 2336), (1898, 2080)]